Novikova, I. A.; Vol'eva, V. B.; Komissarova, N. L.; Belostotskaya, I. S.; Ershov, V. V.
Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1981 , vol. 30, # 9 p. 1732 - 1735
Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1981 , vol. 30, # 9 p. 2110 - 2113